038
FZUS51 KLWX 070834
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
434 AM EDT Tue Oct 7 2025

Tidal Potomac River and Maryland portion of Chesapeake Bay.

Forecasts of wave heights do not include effects of wind direction
relative to tidal currents. Expect higher waves when winds are
blowing against the tidal flow.  Waves flat where waters are iced over.

ANZ500-072300-
434 AM EDT Tue Oct 7 2025

.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...

High pressure will push further offshore today through Tuesday. A
cold front tracks across the waters late Tuesday night into early
Wednesday. A stronger area of Canadian high pressure builds in from
the north and west Thursday into Friday. A coastal low approaches
from the south and east this weekend. Small Craft Advisories may be
needed Tuesday through Thursday. Additional advisories are possible
this upcoming weekend.

$$

ANZ535-072300-
Tidal Potomac from Key Bridge to Indian Head-
434 AM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
AFTERNOON...

.REST OF THE OVERNIGHT...S winds 5 kt. Waves less than 1 ft.
.TODAY...S winds 5 to 10 kt. Gusts up to 20 kt in the late morning
and afternoon. Waves 1 ft.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers. Vsby 1 NM or
less.
.WED...SW winds 5 to 10 kt...becoming N 10 to 15 kt with gusts to
25 kt in the afternoon. Waves 1 ft. Showers.
.WED NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...NE winds around 5 kt. Waves 1 ft.
.FRI...E winds around 5 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ536-072300-
Tidal Potomac from Indian Head to Cobb Island-
434 AM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
AFTERNOON...

.REST OF THE OVERNIGHT...S winds 5 kt. Waves less than 1 ft.
.TODAY...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...S winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers.
Vsby 1 NM or less.
.WED...SW winds 10 kt...becoming NW in the afternoon. Gusts up to
20 kt. Waves 1 ft. Showers.
.WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...N winds 10 to 15 kt. Waves 1 ft.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds around 5 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ537-072300-
Tidal Potomac from Cobb Island to Smith Point-
434 AM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH LATE
TONIGHT...

.REST OF THE OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TODAY...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
.TONIGHT...S winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Showers likely. Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt...becoming NW 15 to 20 kt with gusts to
25 kt in the afternoon. Waves 2 ft. Showers.
.WED NIGHT...N winds 20 to 25 kt. Waves 3 ft.
.THU...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
.THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...E winds 5 to 10 kt. Waves 1 to 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 ft.

$$

ANZ530-072300-
Chesapeake Bay north of Pooles Island-
434 AM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THE OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TODAY...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Patchy
fog. Vsby 1 to 3 NM.
.TONIGHT...S winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Showers. Vsby 1 NM or less.
.WED...W winds 10 to 15 kt...becoming N in the afternoon. Gusts up
to 20 kt. Waves 1 ft. Showers.
.WED NIGHT...N winds 15 to 20 kt. Waves 2 ft.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds around 5 kt. Waves 1 ft or less.
.SAT...NE winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ531-072300-
Chesapeake Bay from Pooles Island to Sandy Point-
434 AM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THE OVERNIGHT...SW winds 10 kt. Waves 2 ft.
.TODAY...S winds 10 to 15 kt. Gusts up to 20 kt. Waves 2 ft.
.TONIGHT...S winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
Showers. Vsby 1 NM or less.
.WED...SW winds 10 to 15 kt...becoming N in the afternoon. Gusts up
to 20 kt. Waves 2 ft. Showers.
.WED NIGHT...N winds 20 to 25 kt. Waves 3 ft.
.THU...N winds 15 to 20 kt. Waves 2 ft.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft or less.
.SAT...NE winds 10 to 15 kt. Waves 1 ft.

$$

ANZ538-072300-
Patapsco River including Baltimore Harbor-
434 AM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH LATE
TONIGHT...

.REST OF THE OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TODAY...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Showers. Vsby 1 NM or less.
.WED...W winds 10 to 15 kt...becoming N in the afternoon. Gusts up
to 20 kt. Waves 1 ft. Showers.
.WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...N winds 10 kt. Waves 1 ft.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less.
.FRI...E winds around 5 kt. Waves 1 ft or less.
.SAT...NE winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ539-072300-
Chester River to Queenstown MD-
434 AM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THE OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TODAY...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.TONIGHT...S winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Showers. Vsby 1 NM or less.
.WED...SW winds 10 to 15 kt...becoming NW in the afternoon. Gusts up
to 20 kt. Waves 2 ft. Showers.
.WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 kt. Waves less than 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ532-072300-
Chesapeake Bay from Sandy Point to North Beach-
434 AM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THE OVERNIGHT...S winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TODAY...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...S winds 15 kt...becoming SW late. Gusts up to 25 kt.
Waves 3 ft. Showers likely. Vsby 1 NM or less.
.WED...SW winds 10 to 15 kt...becoming NW 15 to 20 kt in the
afternoon. Waves 2 ft. Showers.
.WED NIGHT...N winds 20 to 25 kt. Waves 3 ft.
.THU...N winds 15 to 20 kt. Waves 2 to 3 ft.
.THU NIGHT...NE winds 10 kt. Waves 1 to 2 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ540-072300-
Eastern Bay-
434 AM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THE OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TODAY...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...S winds 10 to 15 kt...becoming SW late. Gusts up to
25 kt. Waves 2 ft. Showers. Vsby 1 NM or less.
.WED...SW winds 10 to 15 kt...becoming NW in the afternoon. Gusts up
to 20 kt. Waves 2 ft. Showers.
.WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...N winds 15 to 20 kt. Waves 1 to 2 ft.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft or less.
.SAT...NE winds 10 to 15 kt. Waves 1 ft.

$$

ANZ533-072300-
Chesapeake Bay from North Beach to Drum Point-
434 AM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THE OVERNIGHT...S winds 10 kt. Waves 2 ft.
.TODAY...S winds 10 to 15 kt. Gusts up to 20 kt. Waves 2 ft.
.TONIGHT...S winds 15 kt...becoming SW late. Gusts up to 25 kt.
Waves 3 ft. Showers likely. Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt...becoming NW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Waves 2 to 3 ft. Showers.
.WED NIGHT...N winds 20 to 25 kt. Waves 4 ft.
.THU...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU NIGHT...NE winds 10 to 15 kt. Waves 2 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ541-072300-
Choptank River to Cambridge MD and the Little Choptank River-
434 AM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THE OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TODAY...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.TONIGHT...S winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Showers likely. Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt...becoming NW 15 to 20 kt with gusts to
25 kt in the afternoon. Waves 2 ft. Showers.
.WED NIGHT...N winds 20 to 25 kt. Waves 2 ft.
.THU...N winds 15 to 20 kt. Waves 2 ft.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 ft.

$$

ANZ542-072300-
Patuxent River to Broomes Island MD-
434 AM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH LATE
TONIGHT...

.REST OF THE OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TODAY...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...S winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers
likely. Vsby 1 to 3 NM.
.WED...SW winds 10 kt...becoming NW in the afternoon. Gusts up to
20 kt. Waves 1 ft. Showers.
.WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ534-072300-
Chesapeake Bay from Drum Point to Smith Point-
434 AM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THE OVERNIGHT...S winds 10 kt. Waves 2 ft.
.TODAY...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...S winds 15 kt with gusts to 25 kt. Waves 3 ft. A chance
of showers. Vsby 1 to 3 NM.
.WED...SW winds 15 kt...becoming NW in the afternoon. Gusts up to
25 kt. Waves 3 ft. Showers.
.WED NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.THU...N winds 20 to 25 kt. Waves 3 ft.
.THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft.
.FRI...E winds 10 to 15 kt. Waves 1 to 2 ft.
.SAT...NE winds 15 to 20 kt. Waves 2 to 3 ft.

$$

ANZ543-072300-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
434 AM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH LATE
TONIGHT...

.REST OF THE OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TODAY...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.TONIGHT...S winds 15 kt with gusts to 25 kt. Waves 2 ft. A chance
of showers. Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt...becoming NW 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Waves 2 ft. Showers.
.WED NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.THU...NE winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.FRI...E winds 10 to 15 kt. Waves 1 ft.
.SAT...NE winds 15 to 20 kt. Waves 1 to 2 ft.

$$